The GUID Partition Table (GPT) is a method of partitioning disks. It features up to 128 partitions by default and it uses 64-bit pointers, which means it fully supports disks of up to 8ZiB, as opposed to the 2TiB limit of the older Master Boot Record (MBR) partitioning scheme. GPT is most often used ...

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GPT partition table problem: Windows 7 and Ubuntu dual boot

I hope you guys will help me get through this situation I have gotten myself into. I bought a new samsung ultra book running windows 8. I knew going into the purchase that I wanted to ditch windows ...
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3answers
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How do I create a multiboot environment using LVM for your *buntu operating systems on a GPT formatted system drive, in a UEFI based system?

My reason for using LVM is that I reinstall, upgrade and generally mess around with my OS installs so much that I have found that LVM gives me fantastic flexibility in moving, expanding, cloning and ...
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1answer
2k views

Create a GPT on a new volume during installation

I'd like to install Ubuntu Precise (current LTS) on a drive, and I'd like to discard the current partitioning and instead create a new GPT on that drive. The ubuntu installer allows me to partition ...
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1answer
383 views

Dual boot 10.04 and Windows 7

Before downvote, please this is not a duplicate I read the related questions and couldn't solve my problem. I bought a new laptop that originally had Win8 installed, I formatted it, installed Windows ...
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1answer
3k views

Full hdd capacity not recognised on new additional disk

I've added a new 3TB hdd to my Ubuntu Server 12.04 system for media (already has another drive for the OS), but it's only showing 2.2TB capacity df -H gives /dev/sdb1 2.2T ...
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4answers
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How to remove GPT from HDD?

I have a Asus K55VM-Sx027V laptop and I formated it with Ubuntu because whenever I tried to install Windows 7 64bit, it wouldn't let me because my HDD had GPT protection. Now that I have Ubuntu ...
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2answers
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EFI - GPT dual-boot quantal AMD64 - impossible boot windows 7

I tried to install Ubuntu Quantal AM64 on a EFI - GPT notebook (asus X501U) in dualboot. Ubuntu works fine, but i can't boot windows anymore. HDD is partitioned in this way: sda1 0.2 Gb ...
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1answer
847 views

3TB non-boot hard disk on older motherboard

It is time to expand the capacity of my Ubuntu home file server so I would like to purchase some 3TB hard disks. However, I am concerned with potential compatibility issues. I've tried searching ...
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1answer
814 views

ubuntu 12.10 grub doesn't appear efi mode

After a number of failed attempts on installing Ubuntu and Linux in the hybrid-gpt of Windows, in which I wanted different partitions by gparted, I ended up creating againg a conventional partitions ...
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2answers
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no aparece grub con gpt windows/ubuntu [closed]

I have an asus k55VM. The problem is that after installing Windows 7, and then Ubuntu 12.10, grub does not appear. Created the partition table with gparted, I did it in msdos format, but later ...
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1answer
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Proper alignment of partitions on an Advanced Format HDD using Parted

First I create a properly aligned partition in a new GPT table using parted by specifying percentages for start and end of the partition: # parted -a optimal /dev/sdb GNU Parted 2.3 Using /dev/sdb ...
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2answers
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Why does the first partition start at sector 34 when I choose “Guided - Use entire disk” during install?

After choosing "Guided - Use entire disk" during installation of Ubunsut Server 12.04 I find that the first partition starts on sector 34. Why that specific sector and not the first one? (parted) ...
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1answer
138 views

Partitions mixing up

I am trying to install ubuntu alongside my windows 7. The problem is that ubuntu is not detecting all of my partitions and basically clubs together many of them. The same thing is done by using ...
5
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2answers
8k views

Mount exited with exit code 13

I have a 1TB external hard drive that I recently formatted to NTFS. It was mounting on my Ubuntu 11.10 fine until just now. I didn't make any changes to affect my OS or my exhdd. The error that I get ...
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votes
5answers
10k views

Ubuntu 12.04 installer does not recognize Windows 7

I recently purchased an ASUS N56VZ-ES71 laptop which came with Windows 7 Home Premium installed on it. I wish to dual boot Windows 7 and Ubuntu 12.04 on it. I shrank the hard drive partitions to leave ...
2
votes
1answer
899 views

GPTsync mismatch problem

I have a hybrid disk. After trying to copy some files from another disk to this one, I lost my OSX and Ubuntu boot capability. Ran gptsync and got: Current GPT partition table: # Start LBA ...
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5answers
4k views

How do I install Ubuntu 12 on a 64bit PC with UEFI and GPT SSD disk, with no current OS?

How do I install Ubuntu 12 on a new 64bit PC which has UEFI instead of BIOS and a GPT formatted SSD disk, with no current OS ? I have already tried and although it seemed to install, it would not ...
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0answers
91 views

Ubuntu 12.04 installer and gparted do not detect the existing windows partitions [duplicate]

Possible Duplicate: How to fix MBR partition prior to Ubuntu Installation? A partition overlaps GPT backup sectors I just bought a new laptop that comes with Windows 7 preinstalled and I ...
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1answer
3k views

Comprehensive guide to install Ubuntu 12.10 x64 after Windows 7 on UEFI and GPT disk [closed]

My laptop is currently running Windows 7 64-bit on a GPT disk. Instead of BIOS, the laptop also uses UEFI. After googling around, I cannot find any guide for this problem (maybe my googling skill is ...
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1answer
11k views

Change MBR to GPT on external hard drive with data

Change MBR to GPT on external hard drive with data: I found a way for the internal one here. However the External drive is a Data drive only, I dont't need to care about any bootloaders etc. So is ...
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1answer
4k views

GPT Not mounting using “normal” GPT mounting techniques 12.04

I've got two 2TB drivess: one MBR and the other GPT. sudo blckid /dev/sdb1 returns a blank. gdisk shows: Partition table scan: MBR: protective BSD: not present APM: not present GPT: present ...
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1answer
2k views

Desktop doesn't load after install/restart (dual boot)

I've just finished installing Ubuntu and Windows for dual boot on separate partitions. I installed Windows first because it's pickier about partition style (MBR) and that went fine. I shrank the disk ...
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2answers
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Dual Boot Installing Ubuntu 12.04 with Windows 7 (64) on a non UEFI system

I cannot seem to install the correct boot loader for a non-UEFI firmware system. I'm trying to install Ubuntu 12.04 and Windows 7 (64) which are technically compatible with GPT but for windows only if ...
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votes
5answers
12k views

Installing Ubuntu 12.04 on EFI system

Fellas, need help. Trying to install Ubuntu 12.04 on laptop to dual boot alongside Win7. I have UEFI and GPT partitioning scheme. It has optional Legacy boot mode though. I can boot from Ubuntu USB/CD ...
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1answer
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Encrypted 3TB USB drive GPT /GUID shows wrong size in ubuntu 12.04/64bit

My external USB drive with GUID Partition Table shows wrong size and i am thinking thats stopping TrueCrypt from mounting it. The disk is Formated in Win7 and works there fine. The 2. partition is ...
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votes
3answers
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How to install Ubuntu on an (U)EFI device with existing GPT?

I had Ubuntu 11.04 running till now. Now I want to reinstall Ubuntu with nearly fresh 12.04. I had much trouble last time to install Ubuntu because of EFI. Yet somehow I somehow got it running. But I ...
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1answer
3k views

Installing Ubuntu 12.04 on a single GPT SSD which contains Windows 7

I recently bought a brand new 64 bit PC with a (ASUS) motherboard that supports UEFI and a GPT formatted 240Gb SSD, which contains Windows 7 in the first of 3 (80Gb) partitions. When the system ...
2
votes
2answers
15k views

How to fix MBR partition prior to Ubuntu Installation? A partition overlaps GPT backup sectors

My main problem is that i have just acquired an ASUS laptop with WINDOWS 7 and I want to install Ubuntu on it. I want to have a dual boot to choose between both Operating systems, I read that it's ...
0
votes
3answers
2k views

HP ProBook 4720s UEFI boot only manually into 12.04

I'm trying to get UEFI boot on my ProBook 4720s. Because I swapped the HDD for a SSD I had a blank canvas to start. The 12.04 Live DVD refuses to boot into UEFI, as do Alternate and desktop CD's. ...
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3answers
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Windows doesn't boot after Ubuntu installation

I have had serious problems installing Ubuntu and Windows and have dual boot. Recently I installed both operating systems, Ubuntu was the last one, and after that my computer was booting directly to ...
0
votes
1answer
3k views

Dual Boot ubuntu 12.04 and Windows 7 on two separate SSDs with UEFI

With the following setup I get a blinking cursor after installation: Windows 7 64bit installed in first SSD (not UEFI, using MBR) Installation of Ubuntu 12.04 64Bit on gpt partioned disk seems to ...
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2answers
8k views

Ubuntu 12.04 installation on GPT + RAID going into grub rescue [closed]

I have two 2TB disks. I am installing Ubuntu 12.04 using the alternate version of the server cd. On the partitioning page I have done my partitioning as follows /dev/sda1 - 32 MB - bios_grub ...
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votes
3answers
20k views

Why do I need to create a bios-grub partition when I install 12.04?

Is the bios-grub partition in Ubuntu 12.04 mandatory? I have used 11.04, 11.10 and 12.04, But I was never asked for this. Today I tried a fresh installation of Ubuntu 12.04 and for the first time ...
2
votes
4answers
723 views

Windows 7 and 11.10 side by side from scratch what am I doing wrong?

I have tried everything I can think of at this point and I'm at a total loss. I have a 2TB drive I want to install Windows 7 and 11.10 (both are 64 bit) side by side, but once I install Windows it ...
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2answers
3k views

How to install gpt fdisk 8.4 in Kubuntu 12.04

I'm using Kubuntu 12.04 (64bit). The Ubuntu repos contain gpt fdisk 8.1 which is not the latest. The latest version is 8.4 and it contains some bug fixes I want to have. I downloaded the latest deb ...
0
votes
1answer
435 views

Have I fixed my partition problem with os x 10.5.8? Are my GPT and MBR back to normal?

I'm new to linux and I have overstepped by abilities. I tried dual booting os x 10.5.8 with ubuntu 11.10 with rEFIt, but I been having problems with partitioning. Instead of enduring more headaches, ...
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1answer
866 views

LUKS on >2TB disk

I have a 3TB disk which I want to encrypt. As soon as I create a file system (mkfs.xfs or ext2-4) in the encrypted partition it outputs "Attempt to read block from file-system resulted in short read ...
2
votes
1answer
1k views

Help me!! Extract partition table GPT

English is not my native language, so I apologize. I want to remove the partition table from my hard drive /dev/sdb and then put it on my disk /dev/sda, but when running the following command: sudo ...
6
votes
1answer
645 views

Install 11.10 on GPT with separate /home partition

I'm trying to install ubuntu / mint on my lenovo 570. Since it's better to use GPT, i'm trying to use that. I get these problems, either some partitions are misalligned, GRUB doesn't install or it ...
2
votes
1answer
3k views

How to install Grub2 on Macbook Pro with the grub-install command without warning about “blocklists” requiring the use of --force?

I have a Macbook Pro 5,2 and I've had a sporadic problem with having to reinstall GRUB after a system update. This has happened with several of the recent versions of Ubuntu, although I don't have an ...
16
votes
2answers
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How can I change/convert a Ubuntu MBR drive to a GPT, and make Ubuntu boot from EFI?

I recently have upgraded my PC, my new Motherboard (ASUS M5A99X EVO) uses UEFi instead of the regular MBR option. I have a Ubuntu 11.10 installation that I did when I had my previous hardware (MSI MS ...